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Heat Advisory


URGENT - WEATHER MESSAGE
National Weather Service State College PA
226 AM EDT Sun Jun 22 2025

PAZ004>006-010>012-017-018-024-025-033-034-037-041-042-230800-
/O.CON.KCTP.HT.Y.0001.250622T1500Z-250626T0000Z/
Warren-McKean-Potter-Elk-Cameron-Northern Clinton-Clearfield-
Northern Centre-Cambria-Blair-Somerset-Bedford-Tioga-Northern
Lycoming-Sullivan-
Including the cities of Johnstown, Ridgway, Somerset, Trout Run,
Renovo, Bradford, Coudersport, DuBois, Bedford, St. Marys,
Mansfield, Clearfield, Emporium, Philipsburg, Wellsboro, Laporte,
Altoona, and Warren
226 AM EDT Sun Jun 22 2025

...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM
EDT WEDNESDAY...

* WHAT...Heat index values up to 100 expected.

* WHERE...A portion of central Pennsylvania.

* WHEN...From 11 AM this morning to 8 PM EDT Wednesday.

* IMPACTS...Hot temperatures and high humidity may cause
  heat-related illnesses.

* ADDITIONAL DETAILS...Heat index values and the associated risk of
  heat-related impacts will be highest on Monday and Tuesday.
  Limited acclimation will increase the risk of heat-related impacts.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay out of the sun, and stay in an
air-conditioned room.

Check up on relatives and neighbors, and provide pets with adequate
water and shelter from the sun.

Wear lightweight and loose fitting clothing.

In addition to the daytime heat, overnight low temperatures will
also be very warm and oppressively muggy.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service State College PA
226 AM EDT Sun Jun 22 2025

PAZ019-026>028-035-045-046-049>053-058-230800-
/O.CON.KCTP.HT.Y.0001.250622T1500Z-250626T0000Z/
Southern Centre-Huntingdon-Mifflin-Juniata-Fulton-Southern
Clinton-Southern Lycoming-Union-Snyder-Montour-Northumberland-
Columbia-Schuylkill-
Including the cities of Huntingdon, Mount Union, Lewisburg,
McConnellsburg, Sunbury, Berwick, Pottsville, Lock Haven, State
College, Bloomsburg, Williamsport, Mifflintown, Shamokin,
Selinsgrove, Danville, and Lewistown
226 AM EDT Sun Jun 22 2025

...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM
EDT WEDNESDAY...

* WHAT...Heat index values over 100 expected.

* WHERE...A portion of central Pennsylvania.

* WHEN...From 11 AM this morning to 8 PM EDT Wednesday.

* IMPACTS...Hot temperatures and high humidity may cause
  heat-related illnesses.

* ADDITIONAL DETAILS...Heat index values and the associated risk of
  heat-related impacts will be highest on Monday and Tuesday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay out of the sun, and stay in an
air-conditioned room.

Check up on relatives and neighbors, and provide pets with adequate
water and shelter from the sun.

Wear lightweight and loose fitting clothing.

In addition to the daytime heat, overnight low temperatures will
also be very warm and oppressively muggy.

&&

$$

For more information from the National Weather Service visit
weather.gov/StateCollege

Banghoff/Bauco

URGENT - WEATHER MESSAGE
National Weather Service Pittsburgh PA
1117 AM EDT Sun Jun 22 2025

OHZ039>041-048>050-057>059-068-069-PAZ007>009-013-015-016-022-031-
074-076>078-WVZ001>004-012-021-509>513-222330-
/O.CON.KPBZ.HT.Y.0001.000000T0000Z-250626T0000Z/
Tuscarawas-Carroll-Columbiana-Coshocton-Harrison-Jefferson OH-
Muskingum-Guernsey-Belmont-Noble-Monroe-Mercer-Venango-Forest-
Lawrence-Clarion-Jefferson PA-Armstrong-Greene-Higher Elevations
of Westmoreland-Higher Elevations of Fayette-Indiana-Higher
Elevations of Indiana-Hancock-Brooke-Ohio-Marshall-Wetzel-Marion-
Monongalia-Ridges of Eastern Monongalia and Northwestern Preston-
Preston-Eastern Preston-Western Tucker-
Including the cities of Dover, Caldwell, Champion, Punxsutawney,
Woodsfield, Bruceton Mills, New Castle, Salem, Franklin, Terra
Alta, New Martinsville, Saint George, Clarion, Armagh, Grove
City, Oil City, Brookville, Hendricks, Parsons, Malvern,
Waynesburg, Zanesville, Morgantown, Ligonier, Tionesta,
Moundsville, Follansbee, Rowlesburg, Donegal, Ohiopyle, Sharon,
Fairmont, Coopers Rock, Hermitage, East Liverpool, Carrollton,
Steubenville, Kingwood, Martins Ferry, Weirton, Columbiana,
Wellsburg, Ellwood City, Cadiz, Ford City, Hazelton, Kittanning,
Indiana, Wheeling, Cambridge, St. Clairsville, Coshocton, and New
Philadelphia
1117 AM EDT Sun Jun 22 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT WEDNESDAY...

* WHAT...Heat index values up to 103.

* WHERE...Portions of east central Ohio, northwest, southwest, and
  western Pennsylvania, and northern and the northern panhandle of
  West Virginia.

* WHEN...Until 8 PM EDT Wednesday.

* IMPACTS...Hot temperatures and high humidity may cause heat
  illnesses.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

&&

$$

MLB

URGENT - WEATHER MESSAGE
National Weather Service Cleveland OH
1004 AM EDT Sun Jun 22 2025

OHZ003-006>014-017>023-027>033-036>038-047-089-PAZ001>003-222215-
/O.CON.KCLE.HT.Y.0001.250622T1600Z-250625T0000Z/
Lucas-Wood-Ottawa-Sandusky-Erie-Lorain-Cuyahoga-Lake-Geauga-
Ashtabula Inland-Hancock-Seneca-Huron-Medina-Summit-Portage-
Trumbull-Wyandot-Crawford-Richland-Ashland-Wayne-Stark-Mahoning-
Marion-Morrow-Holmes-Knox-Ashtabula Lakeshore-Northern Erie-
Southern Erie-Crawford-
Including the cities of Killbuck, Warren, Mount Gilead,
Massillon, Mansfield, Aurora, Boardman, Fremont, Andover,
Perrysburg, Jefferson, Akron, Fostoria, Geneva, Willard,
Wickliffe, Union City, Crestline, Streetsboro, Brunswick,
Ashland, Eastlake, Painesville, Marion, Mentor, Titusville,
Youngstown, Alliance, Oak Harbor, South Russell, Orrville, Avon
Lake, Chardon, Chesterland, Tiffin, Ashtabula, Sandusky, Norwalk,
Lorain, Roaming Shores, Clyde, Mount Vernon, Cardington, Galion,
Genoa, North Ridgeville, Port Clinton, Corry, Edinboro, Findlay,
Orwell, Rittman, Medina, Huron, Canton, Wadsworth, Burton, Erie,
Bowling Green, Cleveland, Willowick, Kent, Elyria, Toledo,
Ravenna, Carey, Wooster, Bellevue, Bucyrus, Upper Sandusky,
Conneaut, Millersburg, Meadville, Bainbridge, Niles, Willoughby,
Austintown, and Middlefield
1004 AM EDT Sun Jun 22 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT TUESDAY...

* WHAT...Heat index values up to 104 expected.

* WHERE...Portions of north central, northeast, and northwest Ohio
  and northwest Pennsylvania.

* WHEN...Until 8 PM EDT Tuesday.

* IMPACTS...Hot temperatures and high humidity may cause heat
  illnesses.

* ADDITIONAL DETAILS...Consecutive days of excessive heat and
  humidity can be especially hazardous as warm overnight
  temperatures will provide little relief. Heat indices in the mid
  to upper 90s will likely continue into Wednesday for much of the
  area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

&&

$$

Saunders

URGENT - WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
811 AM EDT Sun Jun 22 2025

MDZ003-VAZ027>031-WVZ052-053-222015-
/O.CON.KLWX.HT.Y.0001.250622T1600Z-250623T0000Z/
/O.CON.KLWX.XH.A.0001.250623T1500Z-250624T0100Z/
Washington-Shenandoah-Frederick VA-Page-Warren-Clarke-Berkeley-
Jefferson-
811 AM EDT Sun Jun 22 2025

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS
EVENING...
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM MONDAY MORNING THROUGH
MONDAY EVENING...

* WHAT...For the Heat Advisory, heat index values up to 104
  expected. For the Extreme Heat Watch, dangerously hot conditions
  with heat index values up to 109 possible.

* WHERE...In Maryland, Washington County. In Virginia, Clarke,
  Frederick, Page, Shenandoah, and Warren Counties. In West
  Virginia, Berkeley and Jefferson Counties.

* WHEN...For the Heat Advisory, from noon today to 8 PM EDT this
  evening. For the Extreme Heat Watch, from Monday morning through
  Monday evening.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events. Hot temperatures and high
  humidity may cause heat illnesses.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
811 AM EDT Sun Jun 22 2025

MDZ004-503-VAZ505-506-222015-
/O.CON.KLWX.HT.Y.0001.250622T1600Z-250623T0000Z/
/O.CON.KLWX.XH.A.0001.250623T1500Z-250624T0100Z/
Frederick MD-Northwest Montgomery-Western Loudoun-Eastern Loudoun-
811 AM EDT Sun Jun 22 2025

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS
EVENING...
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM MONDAY MORNING THROUGH
MONDAY EVENING...

* WHAT...For the Heat Advisory, heat index values up to 105
  expected. For the Extreme Heat Watch, dangerously hot conditions
  with heat index values up to 110 possible.

* WHERE...In Maryland, Northwest Montgomery and Frederick Counties.
  In Virginia, Loudoun County.

* WHEN...For the Heat Advisory, from noon today to 8 PM EDT this
  evening. For the Extreme Heat Watch, from Monday morning through
  Monday evening.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events. Hot temperatures and high
  humidity may cause heat illnesses.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
811 AM EDT Sun Jun 22 2025

MDZ502-WVZ050-051-055-502-504-222015-
/O.CON.KLWX.HT.Y.0001.250622T1600Z-250623T0000Z/
Central and Eastern Allegany-Hampshire-Morgan-Hardy-Eastern Grant-
Eastern Mineral-
811 AM EDT Sun Jun 22 2025

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 8 PM EDT THIS
EVENING...

* WHAT...Heat index values up to 102 expected in the valleys.

* WHERE...In Maryland, Central and Eastern Allegany County. In West
  Virginia, Eastern Grant, Eastern Mineral, Hampshire, Hardy, and
  Morgan Counties.

* WHEN...From noon today to 8 PM EDT this evening.

* IMPACTS...Hot temperatures and high humidity may cause heat
  illnesses.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Buffalo NY
244 AM EDT Sun Jun 22 2025

NYZ001-002-010>012-019>021-085-222000-
/O.CON.KBUF.HT.Y.0001.250622T1600Z-250624T2200Z/
Niagara-Orleans-Northern Erie-Genesee-Wyoming-Chautauqua-
Cattaraugus-Allegany-Southern Erie-
Including the cities of Niagara Falls, Medina, Buffalo, Batavia,
Warsaw, Jamestown, Olean, Wellsville, Orchard Park, and
Springville
244 AM EDT Sun Jun 22 2025

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 6 PM EDT
TUESDAY...

* WHAT...Heat index values in the upper 90s expected, with the
  highest heat index values expected Monday.

* WHERE...All of western New York.

* WHEN...From noon today to 6 PM EDT Tuesday.

* IMPACTS...Hot temperatures and high humidity may cause heat
  related illnesses to occur.

* ADDITIONAL DETAILS...Overnight relief from the heat will be
  minimal due to the warm night time temperatures, especially in
  urban areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors. Young children and
pets should never be left unattended in vehicles under any
circumstances. This is especially true during hot weather when car
interiors can reach lethal temperatures in a matter of minutes.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when possible.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Mount Holly NJ
206 AM EDT Sun Jun 22 2025

PAZ054-055-222100-
/O.CON.KPHI.HT.Y.0002.250622T1200Z-250625T0000Z/
Carbon-Monroe-
Including the cities of Jim Thorpe and Stroudsburg
206 AM EDT Sun Jun 22 2025

...HEAT ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 8 PM
EDT TUESDAY...

* WHAT...Heat index values up to 105 expected.

* WHERE...Carbon and Monroe Counties.

* WHEN...From 8 AM this morning to 8 PM EDT Tuesday.

* IMPACTS...Hot temperatures and high humidity may cause heat
  illnesses.

* ADDITIONAL DETAILS...Low temperatures in low to mid 70s will not
  offer much relief from the heat at night.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Binghamton NY
1210 AM EDT Sun Jun 22 2025

NYZ009-015>018-022>025-036-037-044>046-055>057-062-PAZ038>040-043-
044-047-048-072-221900-
/O.CON.KBGM.HT.Y.0001.250622T1600Z-250626T0000Z/
Northern Oneida-Yates-Seneca-Southern Cayuga-Onondaga-Steuben-
Schuyler-Chemung-Tompkins-Madison-Southern Oneida-Cortland-
Chenango-Otsego-Tioga-Broome-Delaware-Sullivan-Bradford-
Susquehanna-Northern Wayne-Wyoming-Lackawanna-Luzerne-Pike-
Southern Wayne-
Including the cities of Boonville, Seneca Falls, Elmira, Watkins
Glen, Cortland, Damascus, Wilkes-Barre, Utica, Montrose, Hornell,
Towanda, Rome, Honesdale, Hallstead, Sayre, Penn Yan, Auburn,
Corning, Norwich, Oneida, Binghamton, Tunkhannock, Equinunk,
Delhi, Owego, Walton, Milford, Monticello, Oneonta, Hazleton,
Ithaca, Syracuse, Waverly, Scranton, and Hamilton
1210 AM EDT Sun Jun 22 2025

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 8 PM EDT
WEDNESDAY...

* WHAT...Heat index values up to 104 expected.

* WHERE...Portions of central New York and northeast Pennsylvania.

* WHEN...From noon today to 8 PM EDT Wednesday.

* IMPACTS...Hot temperatures and high humidity may cause heat
  illnesses.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

&&

$$

KL

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE